Base | Representation |
---|---|
bin | 1010111001001… |
… | …10000111100010 |
3 | 20100221200212111 |
4 | 11130212013202 |
5 | 141343212432 |
6 | 13022345534 |
7 | 2156510350 |
oct | 534460742 |
9 | 210850774 |
10 | 91382242 |
11 | 47645916 |
12 | 2672b2aa |
13 | 15c17143 |
14 | c1ca7d0 |
15 | 8051347 |
hex | 57261e2 |
91382242 has 32 divisors (see below), whose sum is σ = 166406400. Its totient is φ = 36741120.
The previous prime is 91382227. The next prime is 91382257. The reversal of 91382242 is 24228319.
It is an interprime number because it is at equal distance from previous prime (91382227) and next prime (91382257).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142242 + ... + 142882.
It is an arithmetic number, because the mean of its divisors is an integer number (5200200).
Almost surely, 291382242 is an apocalyptic number.
91382242 is a deficient number, since it is larger than the sum of its proper divisors (75024158).
91382242 is a wasteful number, since it uses less digits than its factorization.
91382242 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1266.
The product of its digits is 6912, while the sum is 31.
The square root of 91382242 is about 9559.4059438858. The cubic root of 91382242 is about 450.4230457907.
The spelling of 91382242 in words is "ninety-one million, three hundred eighty-two thousand, two hundred forty-two".
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